1. Knowing Our Numbers Worksheet With Answers
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Knowing Our Numbers
Introduction
By now we have learnt how to deal with small as well as large numbers and Indian and International
place value system of numbers. We have also done addition, subtraction, multiplication and division
of numbers in our previous classes. We have also seen patterns in numbers and some sequences, etc.
In this lesson, we will move further and learn how to handle large numbers. We will also learn about
the conversion of length from one unit to another and relation between different units, comparison
of numbers, estimation of numbers and Roman numerals.
Natural Numbers
The counting numbers 1, 2, 3, 4, … are called natural numbers.
Whole Numbers
The natural numbers along with 0 are called whole numbers.
Digits
In Hindu-Arabic system of writing numbers, the ten symbols namely 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9
are called digits or figures.
Numeral
A single digit or group of digits denoting a number is called a numeral. For example, 8; 3451 and
71563 are numerals.
The process of writing a number in digits or figures is called notation.
Numeration
9 + 1
= 10
Writing a number in words is called numeration.
99 + 1
= 100
Number Patterns
999 + 1
= .............
Numbers can have some interesting patterns. Complete the table given
9,999 + 1
= .............
alongside to find out for yourself.
99,999 + 1 = .............
Indian Place Value Chart
CRORES
LAKHS
THOUSANDS
ONES
10,00,00,000 1,00,00,000 10,00,000 1,00,000
10,000
1,000
100
10
1
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